JP7197323B2 - バッテリーセルフォーメーションおよびサイクリング手順の自律的スクリーニングおよび最適化 - Google Patents
バッテリーセルフォーメーションおよびサイクリング手順の自律的スクリーニングおよび最適化 Download PDFInfo
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- G06F30/20—Design optimisation, verification or simulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/048—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators using a predictor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
- H02J7/00718—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current in response to charge current gradient
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
- H02J7/007184—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage in response to battery voltage gradient
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/04—Ageing analysis or optimisation against ageing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Tests Of Electric Status Of Batteries (AREA)
Description
これらの大きなパラメータ空間を精査するために、現在2つのアプローチ、すなわちモデル最適化とグリッドサーチが行われている。バッテリー劣化のモデルを最適化することは、そのコスト(物理的なコストではなく計算上のコスト)が低い点で魅力的なアプローチであるが、現在のバッテリーモデルは、製造上のばらつきだけでなく関連する劣化モードの全てを捕捉するには複雑さおよび正確さが不十分である。グリッドサーチ、すなわちこれらの設定について複数回実験的にテストすることは精度が高くなるが、時間、テスト装置およびセルに関して高コストである。
Claims (9)
- バッテリーセルフォーメーションおよびサイクリングプロトコルの多次元パラメータ空間を精査する方法であって、
(a)最適化されている対象の複数のバッテリーセルに対するパラメータ空間を定義するステップと、
(b)ハイパーパラメータを指定するステップであって、前記ハイパーパラメータは、リソースハイパーパラメータ、パラメータ空間ハイパーパラメータ、およびアルゴリズムハイパーパラメータを含む、該ステップと、
(c)ポリシーの繰り返しを含む、充電のポリシーのサブセットを選択するステップと、
(d)正確さのために必要なサイクル数が達成されるまで、バッテリーサイクリング機器を使用して、前記ポリシーの前記サブセットをテストするステップと、
(e)少なくとも1つの次のテストを実行するための推奨を得るために最適実験計画法(OED)アルゴリズムを採用するステップと、
(f)前記サブセットをテストするステップ(d)以降のステップを繰り返すことによって推奨テストを実行するステップとを含むことを特徴とする方法。 - 請求項1に記載の方法であって、
前記パラメータ空間は、各サイクルステップ当たりの、サイクル数、サイクル時間、充電状態(SOC)範囲、ならびに最小および最大電流、電圧、抵抗および温度、または温度に関する境界を含むことを特徴とする方法。 - 請求項1に記載の方法であって、
前記パラメータ空間は、指定された時間内に一連の定義された充電状態(SOC)範囲内でサイクリングまたは充電速度のフォーメーションを最適化するための多段階パラメータ空間を含み、前記一連の定義されたSOC範囲は、互いに重ならない連続したパーセンテージの範囲の組であることを特徴とする方法。 - 請求項1に記載の方法であって、
前記リソースハイパーパラメータは、複数の利用可能なテストチャネル、および複数のバッチを含むことを特徴とする方法。 - 請求項1に記載の方法であって、
前記パラメータ空間ハイパーパラメータは、前記ポリシーの全てわたる寿命の平均および標準偏差、ならびに複数回テストされた単一の前記ポリシーの標準偏差を含むことを特徴とする方法。 - 請求項1に記載の方法であって、
前記アルゴリズムハイパーパラメータは、前記パラメータ空間内の隣接する前記ポリシー間の類似度、探索対利用のバランスを制御するための探索定数、および1ラウンド当たりの利用定数の減衰定数を含むことを特徴とする方法。 - 請求項1に記載の方法であって、
前記ハイパーパラメータを指定するステップの前に、前記バッテリーセルに対する予備データであるバッテリーセルの予備のセットを収集するステップをさらに含み、
前記バッテリーセルの予備のセットは、早期予測モデルを開発し、前記パラメータ空間にわたる平均、標準偏差、および寿命の範囲を定量化し、名目上同一のサイクリング条件でサイクリングされた名目上同一のセルに対する固有のセル間のばらつきを定量化するためのデータを生成するように構成されることを特徴とする方法。 - 請求項1に記載の方法であって、
多相最適実験計画法(多相OED)の実施をさらに含み、
前記多相OEDは、第1ラウンドおよび第2ラウンドの閉ループテストを含み、前記第1ラウンドは、低ライフタイムポリシーグループまたは高ライフタイムポリシーグループへのポリシーの予備分類を実行することを含み、定量的予測は不要であり、前記第2ラウンドは、前記ステップ(a)~(f)を実施することを含むことを特徴とする方法。 - 請求項1に記載の方法であって、
動的早期予測の実施をさらに含み、
前記動的早期予測は、より多くのデータが収集されて、予測に対する信頼度が高くなった場合、前記収集されたセルの予備のセットのサイズに関する条件が緩和されることを含むことを特徴とする方法。
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CN109670196A (zh) | 2019-04-23 |
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